mirror of
https://github.com/yincongcyincong/wechat_chatter.git
synced 2026-07-15 10:26:52 +08:00
add send modify
This commit is contained in:
+2
-1
@@ -3,4 +3,5 @@ __handlers__
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*.sqlite
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.DS_Store
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diaphora_batch*
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data
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data
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.venv
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+21
-10
@@ -1,15 +1,26 @@
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装填数据,发到jobqueue是他们的目地,我感觉重点是在这里
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sub_1032003B0 -> sub_1024803E4 -> sub_1024C6354 可能是统一入口
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sub_10237997C image_handler.cc
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sub_1023E73E8 text_handler.cc
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sub_102363BB0 file_handler.cc
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sub_100400950 装填消息
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键盘事件触发
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sub_10064DD2C 里面有铭文的数据,看看怎么把这个数据传输到下层,估计是
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sub_100662CC4 处理消息的关键函数
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sub_100662CC4 -> sub_100668580 -> sub_10064DD2C
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sub_100662CC4 -> sub_10063F318 -> sub_1006DDDBC 处理发送消息结构体
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sub_1006DDDBC 消息体在这个函数
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真正的发送阶段
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sub_10250D878 是整体的发消息入口有多个阶段来自这里
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StartSendMessageSerial sub_1024C4CB4
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CoSendMessageWithUploadInfo sub_1023E8108
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CoAddSendMessageToDb sub_1023C09D0
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CoPrepareShowSendMessage sub_1023BC4E0
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sub_1024C7FB4 -> sub_102481CA0 -> sub_105268848
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sub_1024C7FB4 sendMessage 入口
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sub_10237997C image_handler.cc
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sub_1023E73E8 text_handler.cc
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sub_102363BB0 file_handler.cc
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sub_1024C6354 可能是统一入口
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sub_100400950 装填消息
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sub_1024C7FB4 sendMessage 入口
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+14
-17
@@ -7,16 +7,13 @@ def is_printable_string(data):
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if not data:
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return False, ""
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# 检查是否以null结尾
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if data[-1] != 0:
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return False, ""
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# 检查所有字符是否可打印
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result = ""
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for byte in data[:-1]: # 排除结尾的null
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if 32 <= byte <= 126: # 可打印ASCII
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result += chr(byte)
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else:
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print(f"不可打印字符: {chr(byte)}")
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return False, ""
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return True, result
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@@ -29,8 +26,7 @@ def dereference_recursive(traceMap, addr, struct_size, depth=0, max_depth=5):
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:param depth: 当前递归深度
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:param max_depth: 最大递归深度
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"""
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mapAddr = f"0x{addr:016X}"
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print(f"mapAddr: {mapAddr}")
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mapAddr = f"0x{addr:X}"
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traceMap[mapAddr] = {}
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if depth >= max_depth:
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print(" " * depth + f"[达到最大递归深度 {max_depth}]")
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@@ -58,7 +54,7 @@ def dereference_recursive(traceMap, addr, struct_size, depth=0, max_depth=5):
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is_str, str_val = is_printable_string(data)
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if is_str and len(str_val) > 0:
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data[addr][str_val] = {}
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traceMap[mapAddr][str_val] = {}
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print(f"{indent}字符串: \"{str_val}\"")
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return
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except:
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@@ -71,20 +67,23 @@ def dereference_recursive(traceMap, addr, struct_size, depth=0, max_depth=5):
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hex_line = indent + " "
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ascii_line = indent + " "
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all_ascii_line = ""
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for i in range(bytes_to_show):
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if i > 0 and i % 16 == 0:
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print(f"{hex_line} {ascii_line}")
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# print(f"{hex_line} {ascii_line}")
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hex_line = indent + " "
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ascii_line = indent + " "
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byte = ida_bytes.get_byte(addr + i)
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hex_line += f"{byte:02X} "
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ascii_line += chr(byte) if 32 <= byte <= 126 else "."
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all_ascii_line += chr(byte) if 32 <= byte <= 126 else "."
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# 打印最后一行
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if hex_line.strip():
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print(f"{hex_line:50} {ascii_line}")
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# if hex_line.strip():
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# print(f"{hex_line:50} {ascii_line}")
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print(f"地址 0x{addr:X} ascii {all_ascii_line}")
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except Exception as e:
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print(f"{indent}读取内存失败: {e}")
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return
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@@ -99,12 +98,9 @@ def dereference_recursive(traceMap, addr, struct_size, depth=0, max_depth=5):
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try:
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ptr_value = ida_bytes.get_qword(cur_addr)
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print(f"{indent}指针[{i}] @ 0x{cur_addr:X} -> 0x{ptr_value:X}")
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if ptr_value != 0 and ptr_value != cur_addr:
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print(f"{indent}可能是指针,指向: 0x{ptr_value:X}")
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nextAddr = f"0x{ptr_value:016X}"
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print(f"nextAddr: {nextAddr}")
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if 0X00000001019013F4 < ptr_value < 0x7FFFFFFFFFFFFFFF and ptr_value != cur_addr:
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print(f"{indent}指针[{i}] @ 0x{cur_addr:X} -> 0x{ptr_value:X}")
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nextAddr = f"0x{ptr_value:X}"
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traceMap[mapAddr][nextAddr] = {}
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dereference_recursive(traceMap[mapAddr], ptr_value, struct_size, depth + 1, max_depth)
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@@ -139,6 +135,7 @@ def print_register_struct(reg_name, struct_size=64, max_depth=3):
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except Exception as e:
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print(f"错误: {e}")
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print(f"{reg_name}递归分析结果:")
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print(json.dumps(traceMap, indent=4))
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@@ -198,4 +195,4 @@ analyze_all_args()
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example_usage()
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"""
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print_register_struct("X0", 64, 3)
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print_register_struct("X27", 64, 5)
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+43
-55
@@ -1,68 +1,56 @@
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# IDAPython Breakpoint Action Script
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import idc
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import ida_dbg
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import idautils
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import ida_idd
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import ida_name
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# ----------------------------------------------------
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# 步骤 1: 定义获取和打印堆栈的函数
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# ----------------------------------------------------
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def print_call_stack():
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"""获取当前的调用堆栈地址,并将其打印到 IDA 消息窗口。"""
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def dbg_get_call_stack() -> list[dict[str, str]]:
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"""Get the current call stack."""
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callstack = []
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try:
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tid = ida_dbg.get_current_thread()
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trace = ida_idd.call_stack_t()
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# 获取当前线程 ID,通常是获取堆栈的第一步
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tid = idc.get_current_thread()
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if tid == -1:
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print("[!] 脚本错误: 无法获取当前线程 ID。")
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return
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if not ida_dbg.collect_stack_trace(tid, trace):
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return []
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for frame in trace:
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frame_info = {
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"address": hex(frame.callea),
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}
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try:
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module_info = ida_idd.modinfo_t()
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if ida_dbg.get_module_info(frame.callea, module_info):
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frame_info["module"] = os.path.basename(module_info.name)
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else:
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frame_info["module"] = "<unknown>"
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print("=" * 40)
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print(f"✅ 断点触发于地址: 0x{idc.get_screen_ea():X}")
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print(f"➡️ **调用堆栈 (Call Stack) 地址:**")
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name = (
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ida_name.get_nice_colored_name(
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frame.callea,
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ida_name.GNCN_NOCOLOR
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| ida_name.GNCN_NOLABEL
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| ida_name.GNCN_NOSEG
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| ida_name.GNCN_PREFDBG,
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)
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or "<unnamed>"
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)
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frame_info["symbol"] = name
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# idautils.get_current_caller_frame() 可获取调用堆栈信息
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# 它返回一个列表,其中每个元素都是一个 (返回地址, 帧指针/栈指针) 的元组。
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except Exception as e:
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frame_info["module"] = "<error>"
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frame_info["symbol"] = str(e)
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# 遍历堆栈帧并打印返回地址
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frame_count = 0
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callstack.append(frame_info)
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# 注意: 在 64 位 ARM (AArch64) 上,栈操作可能与 x86 不同
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# 我们使用 idautils.get_call_stack 尝试获取更标准的堆栈信息。
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# idautils.get_call_stack() 可能会返回一系列的 (地址, 描述) 元组
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stack_info = ida_dbg.collect_stack_trace()
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except Exception as e:
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pass
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return callstack
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if stack_info:
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for frame_count, (return_address, _) in enumerate(stack_info):
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# 获取函数名(如果有的话)
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func_name = idc.get_func_name(return_address)
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# 如果函数名获取失败或地址在外部库,则使用原始地址
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if not func_name or func_name.startswith("loc_"):
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name = ""
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else:
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name = f" <{func_name}>"
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print(f" [{frame_count:02d}] 0x{return_address:X}{name}")
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else:
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# 如果 idautils.get_call_stack 失败,尝试使用更底层的方法(不推荐,但作为备选)
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# 实际调试中,推荐依赖 IDA 调试器自动提供的堆栈视图。
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print(" [!] 警告: 自动堆栈追踪失败,请检查 IDA Stack View.")
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print(f" --- 堆栈深度: {frame_count + 1} 层 ---")
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print("=" * 40)
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def dbg_print_call_stack(callstack: list[dict[str, str]]):
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print("Call Stack:----------------------------------------")
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for i, frame in enumerate(reversed(callstack)):
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print(f"{i}: {frame['module']}.{frame['symbol']} @ {frame['address']}")
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# ----------------------------------------------------
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# 步骤 2: 调用主函数
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# ----------------------------------------------------
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# 在断点被命中时,执行堆栈打印
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print_call_stack()
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# ----------------------------------------------------
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# 步骤 3: 控制程序流 (重要!)
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# ----------------------------------------------------
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# 要让程序在打印堆栈后继续执行,必须返回 0 或不返回 (即让 IDA 默认继续)。
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# 但是,如果希望程序在打印后暂停 (即执行普通断点的动作),则返回 1 (但这不是本脚本的目的)。
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# 如果你想继续执行(Trace Breakpoint),请确保 Action 下一步是 Resume
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return 0
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dbg_print_call_stack(dbg_get_call_stack())
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@@ -0,0 +1,30 @@
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import ida_dbg
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import ida_idaapi
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import ida_bytes
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def dbg_bpt(ea):
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# 获取X22寄存器的值(指向的内存地址)
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x22_value = ida_dbg.get_reg_val("X22")
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if x22_value != ida_idaapi.BADADDR:
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# 要写入的数据:'1','2','3' 的ASCII码
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patch_data = [ord('1'), ord('2'), ord('3')]
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# 修改内存
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for i, byte_val in enumerate(patch_data):
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ida_bytes.patch_byte(x22_value + i, byte_val)
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print(f"[断点 0x{ea:X}] 已将 X22(0x{x22_value:X}) 的前3字节修改为 '123'")
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# 可选:显示修改前后的内容对比
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original = []
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for i in range(3):
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original.append(ida_bytes.get_byte(x22_value + i))
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print(f" 修改前: {[hex(b) for b in original]}")
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print(f" 修改后: {[hex(b) for b in patch_data]}")
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# 返回0继续执行
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return 0
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dbg_bpt(0x1006DDE30)
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